Here is an unmanned aerial vehicle with thermal imaging and vital signs detection for search & rescue missions. The TTRobotix RevealONE has dual camera and a built-in heartbeat detecting radar. It can perform in daylight and at night. The heartbeat detector has a range of 30 meters in open space.
The RevealONE hovers, looks for heartbeat and uses its thermal camera to search for survivors on the ground. It has a foldable main rotor and dual motor safety system. You get a max flight time of 25 minutes.